I think the weirdest thing I've ever gotten was a taco salad from Wendy's of all places, lol. It was good, but you don't really think of salads when you go to burger joints. What about you?
The double down from KFC is definitely the weirdest thing I've ever got from a fast food place. xD I liked it though! It was two chicken patties that acted like buns with bacon, cheese, and sauce in the middle. It returned for a short period of time in 2023 and I got it again when it came back out.